*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --white:    #ffffff;
  --bg:       #f8f9fb;
  --bg2:      #f0f2f6;
  --border:   #e2e6ef;
  --text:     #111827;
  --text2:    #4b5563;
  --text3:    #9ca3af;
  --green:    #16a34a;
  --green2:   #15803d;
  --green-l:  #dcfce7;
  --green-m:  #bbf7d0;
  --gold:     #b45309;
  --gold-l:   #fef3c7;
  --dark:     #0f172a;
  --radius:   14px;
  --shadow:   0 1px 8px rgba(0,0,0,0.07);
  --shadow2:  0 4px 24px rgba(0,0,0,0.10);
  --ease:     cubic-bezier(0.4,0,0.2,1);
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Noto Sans JP', sans-serif;
  background: var(--white);
  color: var(--text);
  line-height: 1.75;
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }

/* ========== NAV ========== */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow 0.3s;
}

.nav.scrolled { box-shadow: var(--shadow2); }

.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 5%;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: 'Inter', sans-serif;
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: -0.02em;
}

.nav-logo-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--green);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  list-style: none;
}

.nav-links a {
  padding: 0.4rem 0.85rem;
  border-radius: 8px;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text2);
  transition: all 0.2s;
}

.nav-links a:hover { background: var(--bg); color: var(--text); }

.nav-links .nav-cta {
  background: var(--green);
  color: white !important;
  font-weight: 600;
  padding: 0.45rem 1.1rem;
  border-radius: 999px;
  margin-left: 0.5rem;
  transition: all 0.2s;
}

.nav-links .nav-cta:hover { background: var(--green2); transform: translateY(-1px); box-shadow: 0 4px 12px rgba(22,163,74,0.3); }

/* ========== HERO ========== */
.hero {
  position: relative;
  height: 100vh;
  min-height: 600px;
  overflow: hidden;
  display: flex;
  align-items: flex-end;
}

.hero-bg {
  position: absolute;
  inset: 0;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
}

/* グラデーションオーバーレイ */
.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(to top, rgba(0,0,0,0.80) 0%, rgba(0,0,0,0.35) 45%, rgba(0,0,0,0.10) 100%),
    linear-gradient(to right, rgba(0,0,0,0.50) 0%, transparent 55%);
}

.hero-content {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 5% 5rem;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.9rem;
  background: rgba(22,163,74,0.15);
  border: 1px solid rgba(22,163,74,0.35);
  border-radius: 999px;
  font-family: 'Inter', sans-serif;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  color: #86efac;
  text-transform: uppercase;
  margin-bottom: 1.25rem;
}

.hero-eyebrow-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: #4ade80;
  animation: blink 1.8s ease-in-out infinite;
}

@keyframes blink {
  0%,100% { opacity:1; }
  50%      { opacity:0.3; }
}

.hero-title {
  font-family: 'Inter', sans-serif;
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.04em;
  color: white;
  margin-bottom: 1rem;
}

.hero-title .accent { color: #4ade80; }

.hero-subtitle {
  font-size: clamp(0.93rem, 1.5vw, 1.05rem);
  color: rgba(255,255,255,0.8);
  max-width: 520px;
  line-height: 1.85;
  margin-bottom: 2rem;
}

.hero-actions {
  display: flex;
  gap: 0.9rem;
  flex-wrap: wrap;
}

.btn-hero-main {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.8rem 1.8rem;
  background: var(--green);
  color: white;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.95rem;
  transition: all 0.25s;
}

.btn-hero-main:hover { background: var(--green2); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(22,163,74,0.45); }

.btn-hero-sub {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.8rem 1.8rem;
  border: 1.5px solid rgba(255,255,255,0.4);
  color: white;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: all 0.25s;
  backdrop-filter: blur(4px);
}

.btn-hero-sub:hover { background: rgba(255,255,255,0.15); border-color: rgba(255,255,255,0.7); }

/* scroll hint */
.scroll-hint {
  position: absolute;
  bottom: 2rem;
  right: 5%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  font-family: 'Inter', sans-serif;
  font-size: 0.68rem;
  letter-spacing: 0.15em;
  color: rgba(255,255,255,0.45);
  text-transform: uppercase;
}

.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, transparent, rgba(255,255,255,0.4));
  animation: scrollAnim 1.6s ease-in-out infinite;
}

@keyframes scrollAnim {
  0%,100% { transform: scaleY(1); opacity:1; }
  50%      { transform: scaleY(0.6); opacity:0.5; }
}

/* ========== SECTION COMMON ========== */
.section {
  padding: 6rem 5%;
}

.section-inner {
  max-width: 1100px;
  margin: 0 auto;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: 'Inter', sans-serif;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--green);
  margin-bottom: 0.75rem;
}

.section-label::before {
  content: '';
  display: block;
  width: 20px; height: 2px;
  background: var(--green);
  border-radius: 2px;
}

.section-title {
  font-family: 'Inter', sans-serif;
  font-size: clamp(1.7rem, 3vw, 2.4rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.25;
  margin-bottom: 1rem;
}

.section-lead {
  font-size: 0.97rem;
  color: var(--text2);
  max-width: 600px;
  line-height: 1.85;
}

/* ========== ABOUT SECTION ========== */
.about { background: var(--white); }

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
  margin-top: 3.5rem;
}

.about-body {
  font-size: 0.95rem;
  color: var(--text2);
  line-height: 1.9;
  margin-bottom: 1.5rem;
}

.about-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.75rem;
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.35rem 0.9rem;
  background: var(--green-l);
  color: var(--green2);
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
}

.about-img-wrap {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  aspect-ratio: 4/5;
  box-shadow: var(--shadow2);
}

.about-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  transition: transform 6s var(--ease);
}

.about-img-wrap:hover img { transform: scale(1.04); }

.about-img-badge {
  position: absolute;
  bottom: 1.25rem;
  left: 1.25rem;
  padding: 0.5rem 1rem;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(10px);
  border-radius: 10px;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--text);
  box-shadow: var(--shadow);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

/* ========== SEAART SETTINGS ========== */
.settings { background: var(--bg); }

.settings-header {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: end;
  gap: 2rem;
  margin-bottom: 3rem;
}

.settings-intro {
  margin-top: 0.75rem;
}

.settings-notice-bar {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  margin-top: 1.5rem;
  padding: 0.75rem 1.25rem;
  background: var(--gold-l);
  border-left: 3px solid var(--gold);
  border-radius: 0 10px 10px 0;
  font-size: 0.85rem;
  color: var(--gold);
  font-weight: 600;
}

/* ── 新カードグリッド ── */
.sc-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 2.5rem;
  margin-bottom: 2rem;
}

.sc-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform 0.3s var(--ease), box-shadow 0.3s;
}

.sc-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow2);
  border-color: var(--green);
}

.sc-img-wrap {
  width: 100%;
  aspect-ratio: 490 / 170;
  overflow: hidden;
  background: #1a1a2e;
  border-bottom: 1px solid var(--border);
}

.sc-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: fill;
  display: block;
}

.sc-card-body {
  padding: 1.1rem 1.25rem 1.25rem;
}

.sc-card-title {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 0.9rem;
}

.sc-num {
  width: 26px; height: 26px;
  border-radius: 7px;
  background: var(--green-l);
  color: var(--green2);
  font-family: 'Inter', sans-serif;
  font-size: 0.78rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.sc-card-title h3 {
  font-size: 0.93rem;
  font-weight: 700;
  margin: 0;
}

.sc-card-title p {
  font-size: 0.72rem;
  color: var(--text3);
  margin: 0.05rem 0 0;
}

.sc-params {
  display: flex;
  flex-direction: column;
  gap: 0;
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  margin-bottom: 0.85rem;
  font-size: 0.82rem;
}

.sc-param {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.45rem 0.75rem;
  border-bottom: 1px solid var(--bg2);
}

.sc-param:last-child { border-bottom: none; }

.sc-param span { color: var(--text2); }
.sc-param .val {
  font-family: 'Inter', sans-serif;
  font-weight: 700;
  color: var(--green2);
}

.sc-note {
  font-size: 0.77rem;
  color: var(--text3);
  line-height: 1.65;
}

/* ── sc-bottom（Tips + Misaki横並び） ── */
.sc-bottom {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 2rem;
  align-items: start;
}

.sc-misaki { text-align: center; }

.sc-misaki-wrap {
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow2);
  border: 1px solid var(--border);
}

.sc-misaki-wrap img {
  width: 100%;
  height: 320px;
  object-fit: cover;
  object-position: top center;
  display: block;
}

.sc-misaki-cap {
  margin-top: 0.75rem;
  font-size: 0.78rem;
  color: var(--text3);
  line-height: 1.7;
}

@media (max-width: 900px) {
  .sc-grid { grid-template-columns: 1fr; }
  .sc-bottom { grid-template-columns: 1fr; }
}

.settings-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-bottom: 3rem;
}

.settings-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: all 0.3s var(--ease);
  box-shadow: var(--shadow);
}

.settings-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow2);
  border-color: var(--green);
}

.settings-card-header {
  padding: 1.1rem 1.4rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.card-num {
  width: 28px; height: 28px;
  border-radius: 8px;
  background: var(--green-l);
  color: var(--green2);
  font-family: 'Inter', sans-serif;
  font-size: 0.8rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.settings-card-header h3 {
  font-size: 0.93rem;
  font-weight: 700;
}

.settings-card-body { padding: 1.25rem 1.4rem; }

.param-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--bg2);
  font-size: 0.85rem;
}

.param-row:last-child { border-bottom: none; }

.param-label { color: var(--text2); font-weight: 500; }

.param-value {
  font-family: 'Inter', sans-serif;
  font-weight: 700;
  color: var(--green2);
  font-size: 0.88rem;
}

.param-note {
  font-size: 0.78rem;
  color: var(--text3);
  margin-top: 0.85rem;
  padding-top: 0.85rem;
  border-top: 1px solid var(--bg2);
  line-height: 1.7;
}

/* Tips section */
.tips-box {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem 2rem;
  box-shadow: var(--shadow);
}

.tips-box h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.tips-list {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}

.tips-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.88rem;
  color: var(--text2);
  line-height: 1.7;
}

.tip-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--green);
  flex-shrink: 0;
  margin-top: 0.55rem;
}

/* Settings with Misaki */
.settings-with-misaki {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 3.5rem;
  align-items: start;
  margin-top: 3rem;
}

.misaki-col {
  position: sticky;
  top: 80px;
}

.misaki-img-wrap {
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow2);
  border: 1px solid var(--border);
  background: var(--dark);
}

.misaki-img-wrap img,
.misaki-img-wrap video {
  width: 100%;
  aspect-ratio: 3/4;
  object-fit: cover;
  object-position: top center;
  display: block;
}

.misaki-caption {
  margin-top: 0.9rem;
  text-align: center;
  font-size: 0.82rem;
  color: var(--text3);
}

/* ========== FOOTER ========== */
.footer {
  background: var(--dark);
  color: rgba(255,255,255,0.6);
  padding: 3rem 5%;
  text-align: center;
}

.footer-logo {
  font-family: 'Inter', sans-serif;
  font-size: 1.15rem;
  font-weight: 800;
  color: white;
  margin-bottom: 0.5rem;
}

.footer-logo span { color: #4ade80; }

.footer-links {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  margin: 1.25rem 0;
}

.footer-links a {
  font-size: 0.85rem;
  transition: color 0.2s;
}

.footer-links a:hover { color: white; }

.footer-copy {
  font-size: 0.78rem;
  margin-top: 1.25rem;
}

/* ========== RESPONSIVE ========== */
@media (max-width: 900px) {
  .about-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .settings-grid { grid-template-columns: 1fr; }
  .settings-with-misaki { grid-template-columns: 1fr; }
  .settings-header { grid-template-columns: 1fr; }
  .nav-links { display: none; }
  .misaki-col { position: static; }
}

@media (max-width: 600px) {
  .section { padding: 4rem 5%; }
  .hero-content { padding-bottom: 4rem; }
  .hero-actions { flex-direction: column; }
  .btn-hero-main, .btn-hero-sub { justify-content: center; }
}

/* ========== ANIMATE ON SCROLL ========== */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Delay utilities */
.d1 { transition-delay: 0.1s; }
.d2 { transition-delay: 0.2s; }
.d3 { transition-delay: 0.3s; }

/* ========== 2026 リニューアル：明るいヒーロー ========== */
.nav-links .nav-line { color: #06c755; font-weight: 600; }
.nav-links .nav-line:hover { background: #e8faef; color: #05a648; }

.hero { align-items: center; }
.hero-bg img { object-position: center; animation: heroZoom 18s ease-out forwards; }
@keyframes heroZoom { from { transform: scale(1.08); } to { transform: scale(1); } }

.hero-overlay {
  background:
    linear-gradient(100deg, rgba(255,255,255,0.88) 0%, rgba(255,247,250,0.72) 38%, rgba(255,255,255,0.15) 68%, transparent 100%),
    linear-gradient(to top, rgba(255,255,255,0.55) 0%, transparent 35%);
}

.hero-content { padding: 6rem 5% 4rem; animation: fadeUp 1s var(--ease) both; }
@keyframes fadeUp { from { opacity: 0; transform: translateY(28px); } to { opacity: 1; transform: none; } }

.hero-eyebrow {
  background: rgba(255,255,255,0.8);
  border: 1px solid #fbcfe8;
  color: #db2777;
  box-shadow: 0 4px 14px rgba(236,72,153,0.12);
}
.hero-eyebrow-dot { background: #ec4899; }

.hero-title {
  font-family: 'Noto Sans JP', sans-serif;
  font-size: clamp(2rem, 4.6vw, 3.6rem);
  font-weight: 900;
  letter-spacing: -0.01em;
  line-height: 1.3;
  color: #1f2937;
  margin-bottom: 1.25rem;
}
.hero-title .accent {
  color: transparent;
  background: linear-gradient(90deg, #ec4899, #8b5cf6 55%, #06b6d4);
  -webkit-background-clip: text;
  background-clip: text;
}
.hero-title-sub {
  display: inline-block;
  margin-top: 0.6rem;
  font-size: 0.5em;
  font-weight: 700;
  color: #4b5563;
  letter-spacing: 0.02em;
}

.hero-subtitle { color: #374151; max-width: 560px; font-size: clamp(0.95rem, 1.5vw, 1.08rem); }

.hero-actions { gap: 0.85rem; }
.btn-hero {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.95rem 1.6rem;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.95rem;
  color: white;
  box-shadow: 0 8px 22px rgba(0,0,0,0.12);
  transition: transform 0.25s var(--ease), box-shadow 0.25s, filter 0.25s;
}
.btn-hero:hover { transform: translateY(-3px); filter: brightness(1.06); }
.btn-youtube { background: linear-gradient(135deg, #ff4d4d, #e11d48); }
.btn-youtube:hover { box-shadow: 0 12px 28px rgba(225,29,72,0.4); }
.btn-line { background: linear-gradient(135deg, #22d36b, #06c755); }
.btn-line:hover { box-shadow: 0 12px 28px rgba(6,199,85,0.4); }
.btn-note { background: rgba(255,255,255,0.92); color: #1f2937; border: 1.5px solid #e5e7eb; backdrop-filter: blur(8px); }
.btn-note:hover { box-shadow: 0 12px 28px rgba(0,0,0,0.15); border-color: #1f2937; }

.scroll-hint { color: #6b7280; }
.scroll-line { background: linear-gradient(to bottom, transparent, #9ca3af); }

@media (max-width: 900px) {
  .hero-overlay { background: linear-gradient(to top, rgba(255,255,255,0.95) 0%, rgba(255,255,255,0.75) 55%, rgba(255,255,255,0.2) 100%); }
  .hero { align-items: flex-end; }
}
@media (max-width: 600px) {
  .btn-hero { width: 100%; }
}
/* ========== 2026-10 調整：人物との被り解消 ========== */
.hero-content {
  max-width: none;
  margin: 0;
  padding: 6rem 0 4rem clamp(1.5rem, 6vw, 6rem);
  width: min(560px, 46vw);
  box-sizing: content-box;
}
.hero-title { font-size: clamp(1.9rem, 3.4vw, 3rem); }
.hero-subtitle { max-width: 100%; }
.hero-bg img { object-position: 70% center; }
.hero-overlay {
  background:
    linear-gradient(90deg, rgba(255,255,255,0.92) 0%, rgba(255,247,250,0.8) 30%, rgba(255,255,255,0.25) 50%, transparent 62%),
    linear-gradient(to top, rgba(255,255,255,0.45) 0%, transparent 30%);
}
.hero-actions {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 0.75rem;
  max-width: 400px;
}
.btn-hero {
  justify-content: flex-start;
  padding: 0.9rem 1.5rem;
  font-size: 0.95rem;
  white-space: nowrap;
}
.btn-note {
  background: #ffffff;
  color: #111827;
  border: 2px solid #111827;
}
.btn-note:hover { background: #111827; color: #fff; }

@media (max-width: 900px) {
  .hero-content { width: auto; padding: 6rem 5% 3rem; }
  .hero-actions { max-width: 100%; }
  .hero-bg img { object-position: center top; }
  .hero-overlay { background: linear-gradient(to top, rgba(255,255,255,0.96) 0%, rgba(255,255,255,0.8) 50%, rgba(255,255,255,0.1) 100%); }
}